@article{MABA_2007_21_1-2_a14,
     author = {R. B. Paris},
     title = {On the {Growth} of {Perturbations} of the {Exponential} {Series}},
     journal = {Mathematica balkanica},
     pages = {183},
     publisher = {mathdoc},
     volume = {21},
     number = {1-2},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/MABA_2007_21_1-2_a14/}
}